Question

Choose the correct option.
OPTIONS
A and B can work separately and can develop questions in 12 and 15 days
respectively. If they work alternatively on the questions and A begins question
development, then in how many days will the work be completed?
5.43 days
9.35 days
13.25 days
10.15 days
ws​

Answer 1

Answer:

5.43

Explanation:

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